.conference-wrapper {
    justify-content: flex-start;
    gap: 0;
}

.conference-inner {
    width: 250px;
    height: 250px;
    border: 1px solid transparent;
    border-radius: 10px;
    margin: 0 auto;
    transition: 0.4s ease-in-out border;
}

.conference-inner a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: inherit;
    padding: 15px;
}

.conference:hover .conference-inner {
    border-color: var(--color-black);
}

.conference .subtitle {
    margin-bottom: 0;
}

.conference .logo {
    max-height: 70px;
}

@media (max-width: 768px) and (min-width: 700px) {
    .conference .logo {
        max-height: 50px;
    }

    .conference-inner {
        width: 220px;
        height: 220px;
    }
}

@media (min-width: 700px) {
    .conference.d-col-33 {
        max-width: 33.33%;
        width: 33.33%;
    } 
}

@media (max-width: 700px) {
    .conference-wrapper {
        justify-content: space-between;
    }

    .conference.d-col-33 {
        max-width: 50%;
        width: 50%;
    } 

    .conference-wrapper .title {
        font-size: 1.25rem;
    }
}

@media (max-width: 545px) {
    .conference .logo {
        max-height: 40px;
    }

    .conference-inner {
        max-width: 100%;
        width: 150px;
        height: 150px;
    }

    #upcoming_conferences .button.mt-30 {
        margin-top: 15px;
    }
}